Workout

Warm-up (600)
2 rounds
100 swim/100 drill/100 kick

Set (500)
2 rounds
2 x 50 kick on 1:00
2 x 75 (25 free/25 stroke/25 free) on 1:00
 
Set (2000)
2 rounds
Keep the same stroke throughout each round. 
300 swim (every 3rd length is stroke)on 4:00
2 x 150 (50free/50stroke/50free) on 2:15
6 x 50 stroke on 1:00
100 easy on 2:00
 
Set (200)
8 x 25 choice on:30
...odds fast
...evens easy

Cool-down (200)
200 EZ